wii u owners: what do you use to expand the storage?

[Barozi]

darkrulier said:

Barozi said:

2.5" HDD

A 2.5" HDD will require a USB "Y" cable, one of the ends is for power, so you'll end up using two USB ports on the console. 

That's not necessarily true.
This one works without a Y cable on WiiU:
Western Digital My Passport Essential (WDBACY5000Abl) USB3.0
https://wiiki.wii-homebrew.com/USB-Unterst%C3%BCtzung_der_Wii_U#Festplatten